From 0888ffa2b7382a1c4781ae54bad53eac3b229365 Mon Sep 17 00:00:00 2001
From: Jelmer Vernooij <jelmer@samba.org>
Date: Tue, 16 Sep 2008 16:30:14 +0200
Subject: Make Samba 3 and Samba 4 both use the same single copy of libreplace.

---
 replace/dlfcn.m4 | 31 +++++++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)
 create mode 100644 replace/dlfcn.m4

(limited to 'replace/dlfcn.m4')

diff --git a/replace/dlfcn.m4 b/replace/dlfcn.m4
new file mode 100644
index 0000000000..42f56f26be
--- /dev/null
+++ b/replace/dlfcn.m4
@@ -0,0 +1,31 @@
+dnl dummies provided by dlfcn.c if not available
+save_LIBS="$LIBS"
+LIBS=""
+
+libreplace_cv_dlfcn=no
+AC_SEARCH_LIBS(dlopen, dl)
+
+AC_CHECK_HEADERS(dlfcn.h)
+AC_CHECK_FUNCS([dlopen dlsym dlerror dlclose],[],[libreplace_cv_dlfcn=yes])
+
+libreplace_cv_shl=no
+AC_SEARCH_LIBS(shl_load, sl)
+AC_CHECK_HEADERS(dl.h)
+AC_CHECK_FUNCS([shl_load shl_unload shl_findsym],[],[libreplace_cv_shl=yes])
+
+AC_VERIFY_C_PROTOTYPE([void *dlopen(const char* filename, unsigned int flags)],
+	[
+	return 0;
+	],[
+	AC_DEFINE(DLOPEN_TAKES_UNSIGNED_FLAGS, 1, [Whether dlopen takes unsigned int flags])
+	],[],[
+	#include <dlfcn.h>
+	])
+
+if test x"${libreplace_cv_dlfcn}" = x"yes";then
+	LIBREPLACEOBJ="${LIBREPLACEOBJ} dlfcn.o"
+fi
+
+LIBDL="$LIBS"
+AC_SUBST(LIBDL)
+LIBS="$save_LIBS"
-- 
cgit